Finding the Fourth Proportional to 9,844.12, 13,584.78 and 5,367.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,844.12 : 13,584.78 = 5,367.76 : x
2. Step 2: Convert to fraction form
   9,844.12/13,584.78 = 5,367.76/x
3. Step 3: Cross multiply
   9,844.12x = 13,584.78 × 5,367.76
4. Step 4: Simplify right side
   9,844.12x = 72,919,838.69
5. Step 5: Solve for x
   x = 72,919,838.69/9,844.12
6. Step 6: Final answer
   x = 7,407.45